– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 9 am Fri 21 Nov Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 am Fri 21 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Fri 21 Nov Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryHeavy rain (total 52mm), heaviest during Sun morning. Later becoming colder with a dusting of snow on Sun night. Mild temperatures (max 8°C on Fri night, min 2°C on Sun afternoon). Wind will be generally light. | Days 4–6 Weather SummaryA dusting of snow. Milder later with heavy rain (total 47mm) on Wed afternoon. Freeze-thaw conditions (max 6°C on Wed night, min 0°C on Mon afternoon). Wind will be generally light. | |||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | | |  |  |  |  |  |  |  |  |  | | | |  | |
light rain | light rain | light rain | light rain | light rain | heavy rain | heavy rain | mod. rain | light snow | rain shwrs | clear | some clouds | cloudy | some clouds | light snow | heavy rain | heavy rain | mod. rain | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | 2 | — | — | — | — | — | 1 | — | — | — | |
0.1 | 0.3 | 0.4 | 2 | 3 | 14 | 24 | 7 | 1.6 | 1 | — | — | — | — | 5 | 16 | 17 | 8 | |
max°C | 6 | 6 | 8 | 8 | 8 | 8 | 6 | 3 | 2 | 3 | 2 | 0 | 4 | 3 | 2 | 4 | 5 | 6 |
min°C | 6 | 6 | 6 | 8 | 8 | 7 | 4 | 2 | 2 | 2 | 0 | 0 | 2 | 2 | 2 | 3 | 5 | 5 |
5 | 5 | 5 | 6 | 6 | 5 | 2 | 0 | -1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 2 | 2 | |
1700 | 1800 | 2000 | 2000 | 1900 | 1900 | 1550 | 950 | 800 | 800 | 750 | 500 | 900 | 1150 | 1050 | 1500 | 2100 | 1850 | |
Cloud base (m) | 2150 | 750 | 600 | 600 | 550 | 550 | 550 | 550 | 600 | 650 | 700 | 650 | 1550 | 2250 | 2000 | 600 | 550 | 600 |
 | 7:24 | — | — | 7:26 | — | — | 7:28 | — | — | 7:30 | — | — | 7:31 | — | — | 7:31 | — | — |
 | — | 4:21 | — | — | 4:20 | — | — | 4:19 | — | — | 4:17 | — | — | 4:17 | — | — | 4:16 | — |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Heavy rain (total 52mm), heaviest during Sun morning. Later becoming colder with a dusting of snow on Sun night. Mild temperatures (max 8°C on Fri night, min 2°C on Sun afternoon). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
A dusting of snow. Milder later with heavy rain (total 47mm) on Wed afternoon. Freeze-thaw conditions (max 6°C on Wed night, min 0°C on Mon afternoon). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.